Envelop-machine.



7 0 9 1 L 2, Y A My D E T N E T A P L J T P ..I W S W 0 4 4 5 8 0 N ENVELOP MACHINE.

APPLICATION FILED JUNE 17, 1902.

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PATENTED MAY 21, 1907.

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.G. w. SWIFT, JB- v ENVBLOP MACHINE,

APPLIOATIQI FILEDJUKB 17, 1902.

y w igm W v 3% WITNESSESL No. 854,440. PATENTED MAY 21, 1907. G. w. SWIFT, JR. ENVELOP MACHINE.

APPLICATION FILED JUN-E17, 19oz.

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m '01 F 2 w No. 854,440. 'PATENTED MAY 21, 1907. e. W. SWIFT, JR. EN-VELOP MACHINE.

APPLIOATION FILED JUNE 1'7, 1902.

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WITNESSES: I S INVENTOR:

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I PATENTED MAY 21, 1907.

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G W SWIFT, J3

- BNVELOP MACHINE. Arrmonron FILED mm: 17, 1902.

INVENTOR: 650m: MSW/5J2 UNITED STATES PATENT OFFICE.

GEoRGE w. SWIFT, JR, or BORDENTOWN, NEW JERSEY.

ENVELOP-MACHINE.

forming envelop blanks from a continuous the preceding figures.

web, by creasing said web; shaping said web by trimming the longitudinal edges thereof; applying lines of adhesive material thereto; and, finally cutting off and folding the separate blanks.

My invention comprehends the various novel features of construction and arrangement of the mechanism for creasing shaping pasting cutting off and folding the blanks, as hereinafter described.

In the drawings, Figure I, is a plan view of a machine conveniently embodying my improvements. Fig. II, is a side view of said machine, taken from the lower side of Fig. I. Fig. III, is a sectional view taken on the line III, III, in Fig. I. Fig. IV, is an elevation of the right hand end of said ma chine as shown in Fig. II. Fig. V, is a vertical sectional view taken on the line V, V, in Figs. I, II, and III. Figs. VI, to XI, inelusive, are detail viewsof the folding and cutting off mechanism shown assembled in Fig. XII, is an inverted plan view of the web showing the successive steps in the manipulation thereof. Fig. XIII, is an inverted plan view of one of the blanks detached from said web. Fig. XIV, is an inverted plan view of one of the completed envelops.

In said figures ;-1, is the main frame comprising the vertical standards 2, 3, connected at their tops by the table 4, and respectively provided with the brackets 6, 7, comprising bearings for the rotatable reel 8, which supports the roll 9, of paper web 10. The cross rods 12, 13, are fixed at their opposite extremities in said brackets 6, 7, and serve to remove the normal curl of said web 10, which passes over' them and between the opposed feed rollers 14, and 15. Said roller 14, is mounted for rotation in the housings 16, 17 which are fixed upon the table 4, and, the roller 15, is eccentrically mounted for rotation in the trunnions 19, of the oscillatory frame 20. Said trunnions 19, are journaled in said housings 16, 17, and said frame 20, is provided with the handles 21, by which Specification of Letters Patent.

Application filed June 17,1902. Serial No. 112,020.

Patented May 21, 1907.

it may be rocked to shift said roller 15, toward or away from the roller 14. The web 10, extends from said feed rollers 14, 1.5, in a bight around the take up roller 22, which is carried by the swinging bail frame 23, whose opposite extremities 24, 25, are pivoted in the respective brackets 6, 7. It is to be understood that whereas, said feed rollers 14, 15, are rotated continuously, as hereinafter described, to continuously feed the paper web 10, from the reel 8, during the operation of the machine; the envelop forming mechanism is operated intermittently, and, said take up roller 22, and its frame oscillate vertically with the bight of the web 10, extending from said feed rollers and serve to maintain uniform tension upon said web.

The rods 26, 27, are fixed in the housings 16, 17, and serve to uncurl the web 10, which passes from the take up roller 22, over them and between the creasing rollers 29, 30; the former being provided with the blades 31, and the latter with the grooves 32. Said rollers serve to crease the web 10, transversely, as indicated by the dash and dot lines 33, shown in Fig. XII; so that the blanks may be readily folded as hereinafter described.

The web 10, passes from the creasing rollers 29, 30, between the shaping rollers 35, 36. Said roller 36, being provided with cutting edges 37, opposed to the roller 35, to trim the longitudinal margins 38, from the web 10, by cutting the latter on the lines 39, as indicated in Fig. XII. As shown in Fig. III, said roller 36, is also provided with a circumferential series of serrations 41, which being opposed to the roller 35, perforate the web 10, in the line 42, as indicated in Fig. XII. Said web 10, passes from the shaping rollers 35, 36, over the waste rollers 44, 45, without engagement therewith, but said rollers engage and discharge from the machine the waste marginal strips 38, which extend vertically downward between said rollers, as indicated in Fig. III. over the waste rollers 44, 45, between the rollers 47, 48, and said roller 47, is so shaped and recessed as to imprint the under side of the web with the paste imprints 49, 50, 51, as indicated in Fig. XII. Said roller 47, is provided with paste by the distributing roller 53, which is mounted for rotation in the paste fountain 54, as best shown in Fig. III. Said fountain 54, is hung by its lugs 55, upon the pin bolts 57, which are mount- The web 10, passes dle 65, by which it may be oscillated to raise and lower the arm 61, and the paste fountain 54. It is to be understood that, with the parts in the position shown in Fig. III, the set screw 60, may be adjusted to bring the roller 53, in proper contact with the roller 47, to distribute paste to the latter, and, that by turning said cam handle 65, to the position indicated in dotted lines in Fig. III, the free extremity of the paste fountain 54, may be lowered so as to remove the roller 53, from operative connection with the roller 47, without removing said fountain from the machine. The web 10, extends from the paste rollers 47, 48, between the guide rollers 67, 68, 69, which are mounted for rotation in the housings 71, 72, -fixed upon the table 4. The guide fingers 74, are supported by the cross bar 75, mounted upon the hous ings 71 72. The guide fingers 76, opposed to said fingers 75, are supported by the cross bar 77, which is fixed beneath the table 4, and also supports the vertical guide strips 78. Said guide rollers, fingers and strips cooperate to guide'the web 10, vertically downward without disturbing the paste imprints upon its surface. The web 10, passes from the guides aforesaid between the shear blades 79, 30, the former being stationary and the latter being carried by the oscillatory frame 81. Said frame comprises the rock shaft 82, provided with the arm 84, whose roller 85, is operatively related to the cam 86, upon the cam shaft 87, which. latter is actuated as hereinafter described. Said rock shaft 82, is journaled in the brackets 89, 90, which depend from the under side of the table 4. The web 10, passes from the shear blades 79, 80, over the platen 93, which is supported by the brackets 89, 90, above described, and is provided with the central recess 94. The folding wings 95, 96, are respectively mounted on the shafts 97, 98, which are journaled at opposite sides of said platen in the bearings 99, 100. As shown in Fig. XI, the upper wing shaft 97, is provided at one extremity with the gear pinion 102, engaged by the gear sector 103, which is mounted to oscillate upon the stud. 104, projecting from the side of the bracket 89. Saidv sector 103, is pivotally connected at '105, with one extremity of the yoke pitman 106, which at its opposite extremity is mounted to slide transversely on the shaft 87, .and is provided with the roller 107, operativcly related to the earn 108, fixed upon said shaft 37. As shown in Fig. VI, the lower wing shaft 98, is provided at one extremity with the gear pinion 110, engaged by the gear sector 111, which is mounted to oscillate upon the stud 112, projecting from the side of the ln'acket 90. Said sector 111, is pivotally connected at 11.3, with the yoke pitman 115, which is mounted to slide transversely upon the shaft 87, and is provided with the roller 116, operatively related to the cam 117, fixed upon said shaft 87. Said platen 93, is opposed by two holders 119, which are arranged to intermittently clamp the web 10, thereon. Said holders are mounted upon the frame 120, comprising the rock shaft 121, provided with the arm 122, on which is mounted the roller 123, operatively related to the cam 124, fixed on the shaft 87. Said. holders 1 19. are so spaced as to bear upon the respectively opposite end flaps 125, 126, of the envelop body 127, in the position indicated in dotted lines in Fig. XIII, in which position said holders clear the side flaps 128, 129, of said envelop body 127, so as not to interfere. wit h the-folding of said flaps 128, 129, to form the completed envelop, 130, as shown in Fig. XIV. Said platen 93, is opposed by the presser 132, which is carried by the frame 133, which is mounted to oscillate loosely upon the rock shaft 82, of the shear frame 31 Said frame 133, comprises the bearing 134, in which is adjustably mounted the roller 135, in operative relation to the cam 1311, fixed upon the shaft 87. Said presser 132, is arranged to press the completed envelop 130, against the platen 93, after the envelop flaps 128, 129, are respectively folded by the wings 95, 96, to insure that said flaps adhere to each other and to the envelop body 127, throughout the paste hnprint 49, and, it is to be noted that the recess 94, in said platen is of such width as to el ar the central line of perforations 42, in the envelop 130, so that if the paste exudes through said perforations when the envelop is pressed, the latterwill notbe caused to adhere to the pla 1 en.

The shaft 138, which is journaled in bearings 139, upon the back of the platen 93, as indicated in Fig. VIII, is continuously rotated, as hereinafter described, and pro vided with two rollers 140, which project through the face of said platen, upon respectively opposite sides of the center thereof; separated by a space exceeding the width of the paste imprint 49. Said driven rollers 140, are opposed by idle rollers 1 11, carried on the frame 142, which is mounted to c:.s cillate loosely upon the rock shaft 32, of the shear frame 81, above described. Said frame 142, comprises the arm 143, providml with the roller 144, operatively related to the cam 145, which latter is fixed upon the shaft 87, and arranged to intermittently os- 141, into frictional engagement with the completed envelop 130, in opposition to the rollers 140 to successively discharge the envelops from the platen 93, and holders 119, after the completion of the operation of the holding, shearing, folding and pressing means above described. Said rollers 140, 1.41., deliver the completed envelops 130, in between the endless belts 147, 148, which successively discharge them from the machine. As best shown in Fig. III, the belt 147 is carried by the rollers 149, 150, rollers 149, being supported by the shaft 151, which rotates idly in the brackets 89, 90, and the rollers 150, being supported by the shaft 152, which is mounted to rotate in said brackets and provided at one extremity with the belt wheel 153, which serves to positively drive said shaft as hereinafter described.

The belt 148, is carried at its outer extremity by the rollers 154, which are supported by the shaft 155, mounted to rotate in thearms 156, 157, extending from said brackets 89, 90. The inner extremity of said belt 148, is carried by the rollers 158, supported by the shaft 159, mounted in the frame 160, which oscillates upon the shaft 161, mounted in the bearing brackets 89, 90; the arrangement being such that the weight of the rollers 158, and said frame 160, serves to press the belt 148, against the belt 147 to seize and carry the envelops 130, between them. The parts above described are operativel connected as follows :The frame standard 2,

isprovided with the stud shaft 165, upon which the sleeve 166, is mounted to rotate freely, being retained by the collar 167. Said sleeve is provided at its outer extremity with the hand wheel 169, and at its inner extremity with the gear wheel 170. The tight pulley 171, is fixed upon said sleeve 166, and the loose pulley 1.72, is mounted to rotate freely upon said sleeve. Said gear wheel 170, engages the gear wheel 173, fixed upon the cam shaft 87 which is mounted to rotate in the bearings 175, 176, respectively fixed upon the frame standards 2, and 3. The sprocket wheel 177, is fixed upon said cam shaft 87, exterior to the bearing 176, and is connected by the sprocket chain 179, which extends over the idler 180, in operative engagement with the sprocket wheel 181, fixed upon the outer extremity of the shaft 182, of the feed roller 14, to drive the latter continuously during the operation of the machine. Said shaft 87, is provided with the belt wheel 183, adjoining the bearing 175, and said wheel is connected by the belt 184, with the belt wheel 153, upon the shaft 152, to continuously operate the discharging belt 147, etc. Said cam shaft 87, is provided with the crank- 185, which is fixed upon its outer The eccentric stud 186, of said crank, pivotally supports the lower extremity of the rack pitman 187, which is arranged to reciprocate through the bearing 188, which is pivotally supported by the shaft 189, of the guide roller 67. Said shaft 189, is supported at its outer extremity by the bearing bracket 190, and is provided with the ratchet wheel 191, which is fixed. thereon immediately adjoining the bearing 192. provided with the gear wheel 194, and pawl disk 195, rotates loosely upon the shaft 189, within the slide bearing 188, which latter serves to maintain the rack 187, in operative engagement with said gear 194. Said pawl disk 195, pivotally supports the pawl 197, which is normally pressed into engagement with the ratchet 191, by the spring 198, but is provided with the tail piece 199, by which it may be upturned into idle position. Said shaft 189, is also provided with the gear wheel 200, engaged with the gear wheels 201, 202, which are respectively fixed upon the shafts 203, 204, of the respective guide rollers '68, 69, so as to positively rotate the said guide rollers in definite relation with the guide roller 67, mounted upon the shaft 189.

wheel 205, and connected by the belt 206, with the belt wheel 207, fixed on the shaft 132, to positively drive the latter. Exterior to the housing 71, said shaft 189, is provided with the bevel gear 208, which engages the bevel gear 209, fixed upon the countershaft 210, which serves to intermittently rotate the creasing rollers 29, 30, shaping rollers 35, 36, waste rollers 44, 45, paste rollers 47, 48, and distributing roller 53, by the following gearing connections :'Said shaft 210, is provided with the bevel gear 211, engaged with the gear 212, upon the shaft 213, of the creasing roller 29, which is provided at its opposite extremity with the gear 214, engaged with the gear 215, fixed upon the shaft 216, of the creasing roller 30. The bevel gear 218, fixed upon said shaft 210, engages with the bevel gear 219, upon the shaft 220, of the shaping roller 35, which is .provided with the gear 221, engaged with the gear 222, upon the shaft 223, of the shaping roller 36.

The bevel gear 225, fixed on the shaft 210, engages with the bevel gear 226, on the shaft 227, of the waste roller 44. The bevel gear 229, upon said shaft 210, engages with the bevel gear 230, upon the shaft 231, of the pasting roller 47, which is provided with the gear 232, engaging with the gear 233, upon the pasting roller 48. The opposite extremity of said shaft 231, is provided with the gear 235, which engages with the gear 236, upon the shaft 237, of the distributing roller 53, and drives the latter. The outer extremity of said shaft 210, is provided with extremity adjoining the sprocket wheel 177. l the hand wheel 239, so that the envelop Said shaft 204, is provided with the belt The sleeve 193, which is v forming rollers connected therewith as above described, may be conveniently manipulated to insert the paper web 10.

It isto be understood that the creasing rollers, shaping rollers, waste rollers, paste rollers and guide rollers are positively actuated during each downward stroke of the rack pitman 187, and that during each upward stroke of said pitman said rollers remain idle, while the envelop holding, shearing, folding and pressing devices are operated in the order named.

I do not desire to limit myself to the precise details of construction of my invention herein set forth, as it is obvious that various modifications maybe made therein without departing from the essential features of my invention.

I claim 1. In an envelop machine, the combination with web feeding means; of means to shape the longitudinal edges of said web; means to crease it transversely; a stationary platen; means to feed the web so shaped and creased over the face of said platen; means to hold the web against said face; means to cut a blank from said web while it is so held; and, means to fold the blank along the creased lines, while it is so held, substantially as set forth.

2. In an envelop machine, the combination with web feeding means; of means to shape the longitudinal edges of said web; means to crease it transversely; means to apply paste to certain portions thereof; a stationary platen; means to feed the web so shaped, creased and pasted over the face of said platen; means to hold the web against said face; means to cut a blank from said web while it is so held; means to fold the blank along the creased lines while it is so held; and means to press the folded parts upon the pasted portions of said web, substantially as set forth.

3. In an envelopmachine, the combination with means to feed, shape, crease and paste an envelop blank; of a stationary platen; means for holding the creased and pasted blank against the face of said platen; means for folding it along the creased lines while so held; and, independent means for pressing the folded parts against the pasted portions while the blank is still so held, substantially as set forth.

4. In an envelop machine, the combination with means to feed, shape, perforate, crease and paste an envelop blank; of a stationary platen having a central groove in its face; means for holding the blank against said platen; means for folding it along the creased lines while so held; independent means for pressing the folded parts against the pasted portions while the blank is still so held; and, means for removing the finished envelop from said. platen, substantially as set forth.

5. In an envelop machine, the combination with web feeding rolls, and means to eontinuously rotate them; of creasing rolls and shaping rolls, and means to intermittently rotate them; a web take-up device between said feed rolls and creasing rolls; a stationary platen over which the creased and shaped web is fed; means to hold the web against the face of said platen; means to cut off the blank from the web while it is so held; means to fold the blank upon the creased lines while it is so held; means to deliver the folded envelop from said platen; a cam shaft; means to continuously rotateit; and connections from said shaft to said holding, cutting, fold ing and delivering means, to intermittently operate them, substantially as set forth.

6. In an envelop machine, the combination with web feeding rolls and. means to continuously rotate them; of creasing rolls; pasting rolls; shaping and perforating rolls; means to intermittently rotate said rolls; a web take-up device between said. feed. rolls and said creasing rolls; rolls and guides arranged to change the direction of movement; of the web; a platen having a central groove in its face over which the creased, pasted, perforated and shaped web is fed; means to hold the web against the face of said platen; means to cut off the blank from the web while it is so held; means to fold the blank upon the creased lines while it is so held; means to press the folded parts down upon the pasted portions of the blank while it is still so held; means to deliver the finished envelop from said platen; a cam shaft; means to continuously rotate said shaft; and, connections from said shaft to said holding, cutting, folding, pressing and delivering means, to intermittently operate them, substantially as set forth.

7. In an envelop machine, the combination with a platen; of folding wings pivoted. along opposite edges of said platen; means to hold a perforated creased. and pasted envelop blank against said platen; means to operate said wings while the blank is so held to fold said blank along the creased lines; means to press said folded parts down upon the pasted portions of the blank; said platen being provided with a groove opposite to the perforated and pasted portion of the blank, whereby paste which exudes through the perforations of the blank is prevented from reaching the face of the platen; and, means to remove the finished envelop from the platen, substantially as set forth.

8. In an envelop machine, the combination with a reel arranged to support a roll of web; of a pair of rolls arranged to continuously feed said web from said. reel; shaping rolls arranged to trim the longitudinal edges of said web; an automatic take up mechanism engaging said web between said. feed rolls and shaping rolls; a shaft arranged to rotate continuously; a crank on said shaft;

a rack pivoted to said crank; ajgear'gwheel engaged with said rack and operatively connected with said shaping rolls; and gearing members connecting said shaft with said feed rolls, whereby said feed rolls are rotated continuously and said forming rolls are rotated intermittently, substantially as set forth.

9. In an envelop machine, the combination with means to feed a web; of shaping rolls arranged to trim the longitudinal edges of said web; a pair of waste rolls arranged to discharge the trimmings from said Web; a pair of rolls arranged to paste said web in predetermined regions; a receptacle for paste a distributing roll mounted in said receptacle, in operative connection with said paste rolls; mechanism arranged to successively cut the blanks from said web; means to successively hold said blanks stationary during the folding operation; means to fold said blanks; and, means to discharge said folded blanks from the holding mechanism, arranged to cooperate in definite relation sub stantially as set forth.

10. In an envelop machine, the combination with means to feed a web; of shaping rolls arranged to trim the longitudinal edges of said web; a pair of waste rolls arranged to discharge the trimmings from said web; a pair of rolls arranged to paste said web in predetermined regions; a platen over which the web is fed; mechanismto hold said web against the face of said platen; mechanism to cut a blank from said web While it is so held; means to fold said blank While it is so held; means to press the folded parts against the pasted portions of the blank; and means to discharge the finished envelop from said platen, substantially as set forth.

11. I11 an envelop machine, the combination with folding means comprising a platen; of means on said platen to fold a previously creased and pasted blank; means to hold the blank while it is so folded; means to press the folded parts upon the previously pasted portion While it is so held; friction rollers protruding slightly above the face of said platen; and, means intermittently co-acting with said rollers to remove the finished envelop from said platen, substantially as set forth.

12. In an envelop machine the combination with folding means comprising a platen and folding wings pivoted at opposite sides thereof; of means to hold a previously creased and pasted blank against said platen during the folding operation; means to press the folded parts upon said previously pasted portions while the blank is so held; means to remove the finished envelop from said platen; a cam shaft; means to continuously rotate said shaft; and, connections from said shaft to said holding, folding, pressing and delivering means, to operate them, substantially as set forth.

In testimony whereof, I have hereunto signed my name, at Philadelphia, Pennsylvania, this 27th day of May 1902.

GEORGE W. SWIFT, JR.

Witnesses:

ARTHUR E. PAIGE, E. L. FULLERTON. 

